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CVE-2011-1344
Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.5; iOS before 4.3.2 for iPhone, iPod, and iPad; iOS before…
Medium6.8EPSS 6.1%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.5; iOS before 4.3.2 for iPhone, iPod, and iPad; iOS before 4.2.7 for iPhone 4 (CDMA); and possibly other products allows remote attackers to execute arbitrary code by adding children to a WBR tag and then removing the tag, related to text nodes, as demonstrated by Chaouki Bekrar during a Pwn2Own competition at CanSecWest 2011.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 6.1% · top 6.6% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.
Weakness
Affected products
n/a
- affected n/a
References (18)
- 44151 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 20110415 VUPEN Security Research - Apple Safari Text Nodes Remote Use-after-free Vulnerability (CVE-2011-1344) (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- http://twitter.com/aaronportnoy/statuses/45632544967901187 (opens in a new tab)x_refsource_MISCx_transferred
- 46822 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://support.apple.com/kb/HT4596 (opens in a new tab)x_refsource_CONFIRMx_transferred
- APPLE-SA-2011-04-14-3 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- 1025363 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- APPLE-SA-2011-04-14-2 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- http://www.zerodayinitiative.com/advisories/ZDI-11-135 (opens in a new tab)x_refsource_MISCx_transferred
- ADV-2011-0984 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- http://dvlabs.tippingpoint.com/blog/2011/02/02/pwn2own-2011 (opens in a new tab)x_refsource_MISCx_transferred
- 20110414 ZDI-11-135: (Pwn2Own) WebKit WBR Tag Removal Remote Code Execution Vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- http://support.apple.com/kb/HT4607 (opens in a new tab)x_refsource_CONFIRMx_transferred
- safari-webkit-unspec-code-exec(66061) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://www.zdnet.com/blog/security/safarimacbook-first-to-fall-at-pwn2own-2011/8358 (opens in a new tab)x_refsource_MISCx_transferred
- http://www.computerworld.com/s/article/9214002/Safari_IE_hacked_first_at_Pwn2Own (opens in a new tab)x_refsource_MISCx_transferred
- APPLE-SA-2011-04-14-1 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- 44154 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .